General Introduction of Theory and Therapeutic Methods of Exogenous Febrile Diseases before the Southern and Northern Dynasties;

On the introduction and solution of Hong debt cases in early Qing Dynasty;

In the prophase of North Dynasty, the literature was in pursuit of the establishment of self- awareness and the disputation to the South Dynasty literature.

During the early period of Jin Dynasty,the Nüzhen nobles endeavored to lure the Han officials from Liao Dynasty and Song Dynasty to join Jin Dynasty,and formed a large Han official group.